Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich outcome occurs when excessive tensile stress breaks polymer chains in epoxy?
A)Reduced structural shear strength✓
B)Increased glass transition temperature
C)Enhanced chemical corrosion resistance
D)Improved thermal conductivity pathway
💡 Explanation
Fracture reduces epoxy's shear strength because covalent bond scission, specifically chain breaking, weakens crosslinking; therefore, shear failure occurs rather than deformation because stress overcomes the bond energy, impacting structural integrity.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which acoustic consequence results with prolonged exposure above sound intensity threshold during ultrasonic cleaning?
- Which outcome occurs when a shape-memory alloy undergoes an austenite-martensite phase transition under load?
- Which phenomenon causes electron energy levels to split in a strong magnetic field within an MRI scanner?
- Which process reduces overall efficiency when combustion engine compression ratio increases beyond limits?
- In a Carnot engine at cryogenic temperatures, which consequence develops when the cold reservoir's temperature approaches absolute zero?
- Which consequence results when the Carnot efficiency limit is reached during a refrigeration cycle?
